The Volcano Adventure Guide: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
Ambae volcano in Vanuatu on 23 Sep 2017 morning. (photo: Vanuatu Geohazards Department webcam)
The volcanic alert level for Manaro Voui volcano on Ambae island was raised to the second highest (4: "moderate eruption") on Vanuatu's scale of 1-5 this Saturday, as the activity intensified gradually over the past weeks. ...more
A vent in or near the caldera lake Voui has been producing mild ash emissions over the past weeks, but these have now become stronger and for the first time lava glow also was observed, suggesting that the eruption is transitioning from phreatic (steam-driven) to magmatic (arrival of fresh magma). According to local press articles, authorities in Vanuatu are preparing to evacuate up to 5000 people from the island's most exposed areas to safer locations. [less]
Aoba volcano Aqua satellite image from today showing what is perhaps a steam plume stretching west
Wellington VAAC received a pilot report of plumes of white steam and ash rising 1000 ft (300 m) above the active crater lake Voui this morning. This could suggest that perhaps some phreatic explosions have taken place, but it is far from certain whether the volcano (with almost no monitoring on ground) is about to erupt or not. ...more
The remote location of the volcano's large caldera and its extremely difficult make direct observations very rare. According to GeoHazard, "Aoba probably should be considered at present times as the most dangerous volcano of the archipelago, due to the presence of a large lake in the main crater." [less]
Vanuatu's Geohazards agency indicated that minor phreatic activity has been occurring at Lombenben volcano on Aoba (Ambae) island. ...more
Scientists detected a patch of mud at the tuff cone built during the eruption of 2005. The entire surface of Lake Vui showed increased evaporation and inhabitants of a nearby village have noticed abnormal activity since December 2012. Satellite measurements showed increased SO2 emission rates between 18 and 25 January. Geohazard maintains the Volcanic Alert Level of Aoba at Level 1. The area of risk remains near the Manaro Voui crater. "This volcano activity may remain as it is and decrease but there is a low probability of neglecting the gradual increase of the alert in the coming months", Geohazard writes. [less]
A SO2 plume from Aoba (Ambae) volcano on Vanuatu was reported visible on satellite images on 24 Dec according to John Seach. No thermal hot spot is currently visible from the volcano. This suggests that the volcano is strongly degassing, but not erupting at the moment.
Eruptive activity at Manaro volcano continues, but has decreased significantly over the past week. Scientists are monitoring the eruption, hoping that it will soon be possible to lower the alert level and permit some 3000 residents that had been evacuated to return to their homes.
Steam and ash erupting from a vent in Lake Vui on Mount Manaro volcano, on the Vanuatu island of Ambae Monday, Dec 12, 2005. (AP Photo/Morris Harrison)
The eruption at Manaro volcano continues at low levels with mainly phreatic activity. A cone is building up inside the lake forming a small island inside the lake. There are two active vents, one of which ejects water, rocks and mud and the other is producing a tall column of steam and gas (up to 8-10,000 feet). A group of New Zealandean volcanologists has recently visited the volcano and sent the following more detailed reports:
***Ambae Volcano Update:10 Dec 2005*** "... Views and video obtained on December 9 by a TVNZ film crew show the cone is similar to that observed on December 8. The active vent is surrounded on 3 sides. The cone is not complete on its eastern side, but many small rocks could be seen breaking the lake surface, indicating it is very shallow there. Only 4 or 5 explosions were seen by the film crew, and these appeared weaker than those we saw on December 8 (however they only saw the activity for a very short time).
The eruption at Mt. Manaro volcano on Vanuatu's island of Ambae, that had started on 27th of Nov. 2005, is continuing at low or decreasing levels (although drawing a lot of media attention, probably because little other significant volcanic events are occurring at the time). Ash and steam plume rose to a maximum of about 3 km (10,000 ft) height into the air as observed on Thursday 7 Dec. According to the optinion of monitoring volcanologists there are no indications at present that the eruption might escalate. The eruption is occurring from a vent in the middle of the crater lake Vui — before the eruption known as a picturesque blue lake; this is also the main reason for the intense production of steam.
The eruption, even if small, is having a severe impact on the fragile infrastructure of the small island of Ambae: Around 5,000 people - about half of the island's population - from the ash-blanketed surrounding areas around the volcano have been evacuated to make-shift shelters in the low-lying areas of the northwest and southeast corners of Ambae; four ships are anchored off its shores ready to evacuate villagers if the eruption worsens. Fresh-water supply is difficult due to contamination with volcanic ash.
Manaro volcano last erupted in 1995 causing no major damage.
Photos from Vanuatu: A fascinating archipelago with very active volcanoes, tropical islands and very friendly and hospital people who still live their original Melanesian culture. Browse through our vast collection of photos.
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